Proform Heavy, Medium, and Light Springs Included BB1901
Specifications:
| Description_ABR | Test Spring |
| Description_SHO | Calibrated Spring |
| Description_INV | 3-in-1 RIMAC Calibrated Test Spring Kit |
| Description_LAB | RIMAC Calibrated Test Spring Kit |
| Description_LAB | Heavy, Medium, and Light Springs Included |
| Description_DES | RIMAC Calibrated Test Spring Kit |
| Description_DES | Heavy, Medium, and Light Springs Included |
| Description_EXT | RIMAC Calibrated Test Spring Kit |
| Description_EXT | Heavy, Medium, and Light Springs Included |
| Description_MKT | When accuracy is the difference between winning and losing, there's one test spring kit that's a cut above the rest...the RIMAC calibrated 3-in-1 test spring kit. This spring kit include three test springs: a lightweight spring, a medium weight, and a combined heavy weight spring giving you an approximate test range from 10 - 640 lbs. Data sheet included. Super accurate and individually tested on an Instron SF1240 testing machine. |
| Description_DEF | Engine Valve Spring Checker |